// user's functions

function make_scroll_photos(s_where) {
	var	lenta_parent = document.getElementById('dsn_scroll_photos2'),
			lenta = document.getElementById('dsn_scroll_photos3');
	
	if (!lenta.style.left) lenta.style.left='0px';
	
	if (s_where=='left') {
		if (parseInt(lenta.style.left) + 68 <= 0) lenta.style.left = (parseInt(lenta.style.left) + 68) + 'px';
	}
	if (s_where=='right') {

		//alert(lenta.offsetWidth + '-' + Math.abs(parseInt(lenta.style.left)) + '-' + lenta_parent.offsetWidth);
		
		if ((lenta.offsetWidth - Math.abs(parseInt(lenta.style.left))) > lenta_parent.offsetWidth) lenta.style.left = (parseInt(lenta.style.left) - 68 ) + 'px';
	}
}



function change_scroll_photos(img)  
{  
var tmp=new Image 
var maxsize=300  
tmp.src=img  
var wdth=tmp.width  
var hght=tmp.height 
if (wdth>maxsize || hght>maxsize)  
  { 
   var coeff=Math.max(wdth, hght) 
         coeff=coeff/maxsize 
    wdth=wdth/coeff    
    hght=hght/coeff  
   } 
document.getElementById('middle_pict').src = img;
document.getElementById('middle_pict').width = wdth;
document.getElementById('middle_pict').height = hght;

return false;
}